class_docstr: A class representing an array, which could have arbitrary dimensions.
  A batch of these arrays are padded to the max dimension length in the batch
  for each dimension.
code: def empty_field(self):  # pylint: disable=no-self-use
      # Pass the padding_value, so that any outer field, e.g., `ListField[ArrayField]` uses the
      # same padding_value in the padded ArrayFields
      return ArrayField(
          numpy.array([], dtype="float32"),
          padding_value=self.padding_value,
      )
  
file_path: magnitude/pymagnitude/third_party/allennlp/data/fields/array_field.py
imports: from __future__ import absolute_import
  import numpy
  import torch
  from allennlp.data.fields.field import Field
label_desc: Use image node_id 4 for calling the ArrayField obj's underlying member method code with example usage: obj.empty_field() and returns: ArrayField